318125255

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2903}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 454975488

約数和(自身を除く): 136850233

約数列:

[1, 5, 7, 31, 35, 101, 155, 217, 505, 707, 1085, 2903, 3131, 3535, 14515, 15655, 20321, 21917, 89993, 101605, 109585, 293203, 449965, 629951, 1466015, 2052421, 3149755, 9089293, 10262105, 45446465, 63625051, 318125255]

約数ペア:

[(1, 318125255), (5, 63625051), (7, 45446465), (31, 10262105), (35, 9089293), (101, 3149755), (155, 2052421), (217, 1466015), (505, 629951), (707, 449965), (1085, 293203), (2903, 109585), (3131, 101605), (3535, 89993), (14515, 21917), (15655, 20321)]